CN100400827C

CN100400827C - Exhaust control apparatus for a vehicle, and vehicle including same

Info

Publication number: CN100400827C
Application number: CNB200410011896XA
Authority: CN
Inventors: 稻冈洋; 佐佐木典彦; 高见则丈; 玉井宏明; 森山祐一
Original assignee: Honda Motor Co Ltd
Current assignee: Honda Motor Co Ltd
Priority date: 2003-09-30
Filing date: 2004-09-24
Publication date: 2008-07-09
Anticipated expiration: 2024-09-24
Also published as: KR100568097B1; DE602004001431T2; EP1520968A1; EP1520968B1; TW200517578A; KR20050031878A; US7320378B2; CN1603588A; JP2005105933A; US20050067211A1; TWI268307B; JP4272029B2; DE602004001431D1; ES2264071T3

Abstract

To enable a smooth flow of an exhaust gas by solving a drawback that the flow of an exhaust gas is impeded when an exhaust valve is arranged in en exhaust passage such as an exhaust pipe. In an exhaust control device of a motorcycle which includes an exhaust collection pipe (a collection pipe) (33) which collects first and second pipes (31, 32) as a plurality of exhaust pipes and an exhaust valve (12) which is formed in the exhaust collection pipe (33) and controls a flow rate of an exhaust gas, a shaft (valve rod) (61) of the exhaust valve (12) is arranged away from the centers (C1, C2) of the plurality of exhaust pipes (first and second pipes) (31, 32) such that the shaft (61) does not pass the centers (C1, C2) of the plurality of exhaust pipes (31, 32).

Description

The exhaust control device of automatic two-wheeled cycle

Technical field

The present invention relates to a kind of exhaust gas exhaust control device of mobile automatic two-wheeled cycle swimmingly that makes.

Background technique

As the exhaust control device of automatic two-wheeled cycle, provide a kind of in the practicality and on the exhaust passageway of engine exhaust system, valve has been set, by this valve, control flows is crossed the exhaust control device of automatic two-wheeled cycle of flow of the exhaust gas of exhaust passageway.

The exhaust control device of practical automatic two-wheeled cycle is provided with valve on the outlet pipe as exhaust passageway, open and close this valve, and is just enough in practicality.

As the exhaust control device of such automatic two-wheeled cycle, outlet valve is set at pipe on (outlet pipe), by known (for example, with reference to patent document 1.)。

[patent document 1] spy opens flat 7-145732 communique

Figure 18 is the heavy diagrammatic sketch of Fig. 2 of patent document 1.But, label is continued to use the label of patent document 1.

The exhaust control device of the automatic two-wheeled cycle of patent document 1, it is the barrel surface that makes axle 22 through tubes (outlet pipe) 21, at this outlet valve 20 that valve 23 that is used to control the exhaust gas flow is installed on 22, be to make axle 22 from managing the member that 21 approximate center (being equivalent to manage the part of 21 diameter) connects.

Yet, in the exhaust control device of the automatic two-wheeled cycle of patent document 1, because axle 22 that valve 23 is installed is connected from managing 21 approximate center, because from managing the mobile exhaust gas of 21 approximate center (being equivalent to manage the part of 21 diameter), walking around axle 22 flows, have and in pipe 21, produce eddy current, the problem that exhaust efficiency is low.

That is, expectation obtains a kind of exhaust control device of automatic two-wheeled cycle, when disposing outlet valve 20 on containing the exhaust passageway of outlet pipe, exhaust gas is flowed swimmingly.

Summary of the invention

Problem of the present invention is, provide a kind of on the exhaust passageway of outlet pipe etc. during the configuration outlet valve, flow swimmingly by making, can improve exhaust efficiency, the exhaust control device of the automatic two-wheeled cycle of the performance of raising exhaust control at the mobile exhaust gas of the central part of outlet pipe.

The invention of technological scheme 1 is a kind of automatic two-wheeled cycle (10) with vehicle body frame (110), it is provided with by the 1st pipe (31), the outlet pipe (39) that the 2nd pipe (32) and intake manifold (33) constitute, outlet valve (12) is installed on described outlet pipe (39), wherein this outlet valve (12) is used for this intake manifold (33) control exhaust gas flow, the axle of described outlet valve (62) is arranged on the position at center away from described the 1st pipe (31) and the 2nd pipe (32), swing arm (19) is installed on the described vehicle body frame (110), it is characterized in that, be provided with recess (18), described outlet valve (12) is configured to towards described recess (18).

For example, on the exhaust passageway that contains outlet pipe of the central part of outlet pipe, when disposing the outlet valve of the flow of controlling exhaust gas, if owing to can dispose so that it does not hinder the air-flow of exhaust gas as far as possible, exhaust gas is flowed swimmingly, can improve the efficient of exhaust, so be gratifying.

Therefore, the outlet valve of the flow of control exhaust gas is set on Manifolds, avoids the axle of this outlet valve of configuration, so that the center of the outlet pipe of its obstructed too much root.

That is,, avoid the axle of this outlet valve of configuration on Manifolds, so that the center of the outlet pipe of its obstructed too much root, can make that exhaust gas is smooth and easy to flow, the efficient of raising exhaust (smoothness) by the outlet valve of flow of control exhaust gas is set.

The automatic two-wheeled cycle of the invention of technological scheme 2 is characterized in that, the axle (62) of described outlet valve (12), and the straight line with respect to the center that connects described the 1st pipe (31) and the 2nd pipe (32) keeps tilting in the scope of 35～55 degree.

By with respect to the straight line at center that connects 2 outlet pipe, make the axle of outlet valve in the scopes of 35～55 degree, keep tilting, when guaranteeing the road clearance of automatic two-wheeled cycle, exhaust control device is contained in the angle of heel.

In the invention of technological scheme 1, owing on Manifolds, be provided for controlling the outlet valve of the flow of exhaust gas, avoid the axle of this outlet valve of configuration, so that the center of the outlet pipe of its obstructed too much root, can make that exhaust gas is smooth and easy to flow (smoothness), can realize the raising of exhaust efficiency.Its result has the advantage of raising of the exhaust gas control ability of the exhaust control device that can realize automatic two-wheeled cycle.

In the invention of technological scheme 2, because when the outlet pipe that makes many is 2, with respect to the straight line at center that connects 2 outlet pipe, make the axle of outlet valve in the scope of 35～55 degree, keep tilting, when can guarantee the road clearance of automatic two-wheeled cycle, exhaust control device is contained in the angle of heel.Its result has the advantage of expansion of degrees of freedom of the layout of the exhaust control device that can realize automatic two-wheeled cycle.

The automatic two-wheeled cycle of the invention of technological scheme 3 is characterized in that, described recess (18) extends towards described car body center.

The automatic two-wheeled cycle of the invention of technological scheme 4 is characterized in that, described swing arm (19) is installed on the described vehicle body frame (110), and it can be swung on above-below direction.

The automatic two-wheeled cycle of the invention of technological scheme 5 is characterized in that, motor (211) is installed on the vehicle body frame (110), and described outlet pipe (39) is connected on the described motor (211).

The automatic two-wheeled cycle of the invention of technological scheme 6 is characterized in that, baffler (34) is installed on the described outlet pipe (39).

The automatic two-wheeled cycle of the invention of technological scheme 7 is characterized in that, described outlet valve (12) is arranged near the joint (44) between described outlet pipe (39) and the baffler (34).

The automatic two-wheeled cycle of the invention of technological scheme 8 is characterized in that, described outlet valve (12) is arranged near the joint (44) between described outlet pipe (39) and the baffler (34).

The automatic two-wheeled cycle of the invention of technological scheme 9 is characterized in that, the described outlet valve (12) that is used to control the exhaust gas flow is arranged on described outlet pipe (39) one sides.

The automatic two-wheeled cycle of the invention of technological scheme 10 is characterized in that, is provided with the startup cable (13,14) that is used to start described outlet valve (12), and described startup cable (13,14) is configured to towards described recess one side.

Description of drawings

Fig. 1 is the left side External view of the automatic two-wheeled cycle of configuration exhaust control device of the present invention.

Fig. 2 is the right side External view of the automatic two-wheeled cycle of configuration exhaust control device of the present invention.

Fig. 3 is the side sectional view of the automatic two-wheeled cycle of configuration exhaust control device of the present invention

Fig. 4 is the perspective view of the vehicle body frame of the automatic two-wheeled cycle of configuration exhaust control device of the present invention.

Fig. 5 is the left side view at motor, power transmission mechanism and the seat of the automatic two-wheeled cycle of configuration exhaust control device of the present invention.

Fig. 6 is the side view of the exhaust control device of automatic two-wheeled cycle of the present invention.

Fig. 7 is the perspective exploded view of the vent systems device of configuration exhaust control device of the present invention.

Fig. 8 is the perspective view of the exhaust control device of automatic two-wheeled cycle of the present invention

Fig. 9 is the allocation plan of the configuration relation of the outlet pipe of exhaust control device of expression automatic two-wheeled cycle of the present invention and outlet valve.

Figure 10 is the front section view of outlet valve of the exhaust control device of automatic two-wheeled cycle of the present invention.

Figure 11 is the planimetric map of outlet valve of the exhaust control device of automatic two-wheeled cycle of the present invention.

Figure 12 is the side view of outlet valve of the exhaust control device of automatic two-wheeled cycle of the present invention.

Figure 13 is the Action Specification figure of the exhaust control device of automatic two-wheeled cycle of the present invention.

Figure 14 is the perspective view of seeing from the back upper place of the exhaust control device of automatic two-wheeled cycle of the present invention.

Figure 15 is the perspective view of the rear side of the exhaust control device of expression automatic two-wheeled cycle of the present invention.

Figure 16 is the planimetric map of the configuration relation of the rocking arm of exhaust control device of expression automatic two-wheeled cycle of the present invention and outlet valve.

Figure 17 is the Action Specification figure of the setting angle of the outlet valve of the exhaust control device of expression automatic two-wheeled cycle of the present invention.

Figure 18 is the heavy diagrammatic sketch of Fig. 2 of patent document 1.

Embodiment

Based on accompanying drawing, do following explanation to implementing best mode of the present invention.And drawing is to see on the opposite of label.

Fig. 1 is the left side External view that disposes the automatic two-wheeled cycle of exhaust control device of the present invention, and automatic two-wheeled cycle 10 is the scooter-type vehicles with sunken bed formula base plate 25.

Cover the car body shell 20 of the vehicle body frame integral body of automatic two-wheeled cycle 10, it is front shroud 21 by the top of front portion that covers following vehicle body frame and front-wheel, cover the upper case 22 of the upper opening of front shroud 21, cover the inner shell 23 at the rear portion of front shroud 21, rearward extend the rear end of shell 23 internally, the central shell 24 of the length direction central authorities of covering body framework, stretch out from the lower end outer rim of central shell 24, the sunken bed formula base plate 25 of carrying driver's pin, hold court from behind a screen 26 from what the outer rim of sunken bed formula base plate 25 was extended downwards, rearward extend from center shell 24, the rear side shell 27 of the rear lateral portion of covering body framework, 27 (the insides 27 not shown), with from rear side shell 27, rearward extend 27 rear end, and the back shell 28 at the rear portion of covering body framework constitutes.And

rear side shell

27,27 and back shell 28 constitute seat cover 29.

Front shroud 21 has transparent paravent 95 on top.Inner shell 23 has the retaining leg 91 that covers driver foot front portion.

In addition, automatic two-wheeled cycle 10 is furnished with handle 203 at Vehicular body front, and is furnished with seat 208 and wood clapper 300 at rear vehicle.

Handle 203 is when making

handle

203a, 203a be in than higher position, traction rearward, be called the analogous shape product of the pattern of so-called axe type handle.Handle shell 101 covers this handle 203.Handle shell 101, by cover handle 203 about the bottom handle shell 102 of bottom and the upper handle shell 103 that covers the top of handle 203 constitute.

Seat 208 is two-seaters that seat back 208b that the anterior 208a in seat that taken by the driver and occupant take constitutes.Wood clapper 300 is and the rear portion of central shell 24 member in abutting connection with configuration to be the occupant to be installed carry sufficient 310 one-tenth members that can hold the state that exposes of back seat wood clapper (occupant uses pedal).

Among the figure, the 261st, headlight, the 262nd, indicator, the 263, the 263rd, wing mirror, the 264th, front mudguard, the 265th, seat lock, the 266th, back spoiler, the 267th, taillight, the 268th, rear mudguard, the 269th, auxiliary stand, the 320th, master bracket, the 330th, the oil supply top cover, the 360th, check and use side cover.

Fig. 2 is the right side External view of the automatic two-wheeled cycle of configuration exhaust control device of the present invention, is illustrated in the top of front shroud 21 and the rear of paravent 95 and is furnished with instrument panel 92.With above explanation as can be known, can be furnished with paravent 95, retaining leg 91 and instrument panel 92 at Vehicular body front.

This figure in addition is illustrated in the right side of automatic two-wheeled cycle 10, and configuration has the wood clapper 300 of back seat wood clapper 310.The 34th, baffler (exhaust baffler).

Fig. 3 is the side sectional view of the automatic two-wheeled cycle of configuration exhaust control device of the present invention.Automatic two-wheeled cycle 10, be with vehicle body frame 110, can about be installed in front fork 201 on the head pipe 111 of vehicle body frame 110 with freely swinging, be installed on the front-wheel 202 of front fork 201, the above-mentioned handle 203 that is connected with front fork 201, be installed on the motor 211 at the rear portion of vehicle body frame 110, but the bent axle with motor 211 is the power transmission mechanism 212 of center easy on and off swing, be installed on the trailing wheel 205 at the rear portion of power transmission mechanism 212, the rearward end of power transmission mechanism 212 is suspended in buffer cell 206 on the vehicle body frame 110, be installed in the storage case 207 on the top, rear portion of vehicle body frame 110, but be configured in the above-mentioned seat 208 that is mounted to freely openable on the storage case 207, be the scooter-type vehicle of main composition.

Front fork 201, the fork of the door shape of configuration below head pipe 111.Cover the top and the head pipe 111 of this front fork 201 with front shroud 21.

Motor 211 is that two cylinder heads 215 tilt water-cooled two cylinder engines of approximate horizontal configuration to the front upper place about making.Power transmission mechanism 212 is to make the belt conversion stepless speed variator of the power of motor 211 to the subsidiary centrifugal clutch of trailing wheel 205 transmission.

Storage case 207 is casings elongated on the car body fore-and-aft direction, can hold 2 helmet Hf, Hr in front and back, is made of the upper box body 207b of lower part box 207a and superimposed superior posterior at this lower part box 207a.

Among the figure, the 93rd, preceding low shell, the 94th, lower case, the 191st, air filter, the 221st, radiator, the 230th, fuel tank, the 234th, oil supply port, the 282nd, connecting tube, the 283rd, air chamber, the 284th, throttle valve, the 285th, supplying tube (inlet pipe), the 286th, storage battery.

Fig. 4 is the perspective view of vehicle body frame of the automatic two-wheeled cycle of configuration exhaust control device of the present invention, the seat rail (after-frame) 115,115 of the pairing left and right that vehicle body frame 110 is side arms 112 of linking to each other with head pipe 111, rearward extend from the rear portion of side arm 112, the one framework of the two basket types by solder bond.Head pipe 111 has cover and supports the holder of usefulness to sit 111a.

Side arm 112, be to make putting on the shelf of pairing left and right 113,113 from the beginning manage 111 and hang down to the rear lower side, this a pair of put on the shelf 113,113 below, making the following pipe 114,114 of pairing left and right from the beginning manage 111 hangs down downwards, this a pair of down lower end of pipe 114,114 is rearward extended and is combined in a pair of putting on the shelf 113,113 lower end time the, the member that extends to the back upper place again.Owing to be the side arm 112 that constitutes like this, can be provided with by a pair of put on the shelf 113,113 and a pair of pipe down 114,114 sides that surround look the space portion Sp1 of shape slightly triangular in shape.

Between the front end of the front end of the after-frame 115 of on the left side and the after-frame 115 on the right, set up the front and look the 1st crossbeam 121 that is a type, on the left side put on the shelf 113 lower end and and 113 the lower end of putting on the shelf on the right between, set up the 2nd crossbeam 122, at the middle position of the vehicle width of this 2nd crossbeam 122, binding engine sits 123 with the 1st holder.

Between the rearward end of the horizontal component of the following pipe 114 on the rearward end of the horizontal component of the following pipe 114 on the left side and the right side, set up the 3rd crossbeam 124,124 vehicle width middle position at this 3rd crossbeam, binding engine sits 125 with the 2nd holder, about following pipe 114,114 the rear end in conjunction with about the 3rd holder used of motor sit 126,126.

The after-frame 115,115 of pairing left and right, be an end be combined in pairing left and right put 113,113 length direction middle part the time parts of the lengthwise sectional shape that the other end rearward extends on the shelf.Here, " lengthwise sectional shape " is meant with transverse dimension and compares, the sectional shape that longitudinal size is big.Particularly, after-frame 115,115 square tubes by the lengthwise rectangular cross-section constitute.

Among the figure, 131a represents U font tie rod, and 131b represents seat hinge support part, 131c represents to prolong parts, and 141 expression base plates are supported tie rod, 143 expression undercarriages, 144 represent to take the lead pin, 142 expression tie rods, the curb girder about 143a, 143a represent, 143b represents centre cross member, and 143c represents the rear portion crossbeam, and 145～147 expression holders are sat, 148 expression hooks, 151 expression front cross beams, 152,153 expression stiffening elements, 226 expression motor spark coils, 227 expression bolts.

Fig. 5 is the left side view at motor, power transmission mechanism and seat of the automatic two-wheeled cycle of configuration exhaust control device of the present invention, be illustrated in the below configuration motor 211 and the power transmission mechanism 212 of the rear of side arm 112 and a pair of after-frame 115,115, side arm 112 and about after-frame 115,115 (only represent the left side at this figure.Down together.) the attachment portion near, motor 211 is installed.

Particularly, rear portion at side arm 112, the space portion Sp2 of shape slightly triangular in shape is looked in setting by the side of a pair ofly putting 113,113 on the shelf, a pair of pipe 114,114 down and a pair of after-frame 115,115 surround, cylinder head 215 and cylinder head 216 at this space portion Sp2 configuration motor 211, sit the anterior bottom that motor 211 is installed on 123 at motor with the 1st holder, sit the rear lower that motor 211 is installed on 125 at motor with the 2nd holder, sit the top, rear portion that motor 211 is installed on 126,126 with the 3rd holder at motor.In addition, middle part, front portion rear cross beam 131,132 is disposed at the top of motor 211.

This figure in addition, represented to sit on 134,134, by posterior bumper unit, the left and right sides 206,206, the rearward end of suspension power transmission mechanism 212 in the holder that left and right sides buffer is used, and anterior rear cross beam 131, double as is supported the parts of the seat hinge 208c at open and close type seat 208.

Promptly, vehicle body frame 110 we can say that it is constructed as follows: rearward extend the after-frame 115 of pairing left and right at the rear portion from the side arm 112 of connecting head pipe 111,115 (one 115 not shown), support seat 208 and posterior bumper unit 206 by these after-frames 115,206 (one 206 not shown), at the rear of side arm 112 and a pair of after-frame 115, on the vehicle body frame of the scooter-type vehicle of 115 below configuration motor 211, above motor 211, at pairing left and right after-frame 115, between 115, releasably set up crossbeam 131～133 (label 133 is with reference to Fig. 4).

Below, explain the exhaust control device 11 (following brief note for " exhaust control device 11 ") of automatic two-wheeled cycle.

The exhaust control device 11 of automatic two-wheeled cycle (following brief note is " exhaust control device 11 "), by by the outlet valve 12 that is installed in the changes in flow rate that makes exhaust gas on the outlet pipe 39, the

startup cable

13,14 that starts this outlet valve 12, control control device (ECU) 16 formations of the flow of exhaust gas with the servomotors 15 that drive these

startup cables

13,14 with by controlling this servomotor 15.

General, ECU (electronic control unit) is meant the electric control device by computer control motor, AT (automatic transmission), ABS (antilock brake system) etc.

Be positioned at the posterior bumper arm 17 nearby of outlet valve 12, be to be attached to by one on the power transmission mechanism 212 that illustrates previously, and when supporting the posterior bumper unit 206 on the right, support the parts that trailing wheel 205 makes it to rotate freely, be to possess the buffer support part 213 that supports posterior bumper unit 206, the trailing wheel support part 214 that supports trailing wheel 205 and to the parts of the recess 18 of car body central concave, be to support trailing wheel 205, the parts of the rocking arm that makes it to rotate freely (back vent) 19 by power transmission mechanism 212 and posterior bumper arm 17.

Fig. 7 is the perspective exploded view of the vent systems device of configuration exhaust control device of the present invention.Vent systems device 30; by from extended the 1

2nd pipe

31,32 of motor 211 (with reference to Fig. 6), as these the intake manifold 33 of the 1

2nd pipe

31,32 Manifolds of harness; be connected baffler 34 on this intake manifold 33, cover the baffler protector 35 of this baffler 34; protect the muffler protector 36 of this baffler 34 and the belt 38 that baffler 34 is fixed on the intake manifold 33 is constituted by packing ring 37.

General, outlet pipe is meant the outlet pipe that is connected with each cylinder, however in this manual, outlet pipe 39 is made of the 1

2nd pipe

31,32 and intake manifold 33.

Intake manifold 33 by the valve configuration portion 43 of the 1st joint 41 that connects the 1st pipe 31, the 2nd joint 42 that connects the 2nd pipe 32, configuration outlet valve 12, constitutes with the joint 44 that is connected baffler 34.

Baffler 34 is made of baffler body 45, the tail-hood 47 the tail pipe assemblying body 46 on this baffler body 45 being installed and being covered this tail pipe assemblying body 46.

Baffler protector 35, by the protector main body portion 48 of the side that covers baffler body 45, extend to car body the place ahead one by protector main body portion 48 from then on, and the cap 49 that covers valve 12 constitutes.

Among the figure, the 51st, by resilient bushing 56 protector main body portion 48 is fixed on bolt on the baffler 45; The 52nd, with the bolt that is fixed on by resilient bushing 57 caps 49 on the assembly department 58 of outlet valve 12; The 53rd, muffler protector 36 is fixed on bolt on the baffler body 45; The 54th, tail pipe assemblying body 46 is fixed on bolt on the baffler body 45; And 55 be by tail pipe assemblying body 46 tail-hood 47 to be fixed on bolt on the baffler body 45.

Being constructed as follows of exhaust control device 11: go up configuration motor 211 (with reference to Fig. 6) at vehicle body frame 110 (with reference to Fig. 4), on motor 211, connect outlet pipe 39, baffler 34 is installed on this outlet pipe 39, on the automatic two-wheeled cycle 10 (with reference to Fig. 2) of the outlet valve 12 that control exhaust gas flow is set on the outlet pipe 39, baffler protector 35 is arranged on the baffler 34, from then on baffler protector 35 one are extended cap 49, cover outlet valve 12 by this cap 49.

For example, when wait covering outlet valve with lid, supposing to continue to use existing parts, do not increase number of components and cover, just can suppress the cost of automatic two-wheeled cycle, is gratifying.

Therefore,, cover outlet valve 12, compare, can realize the minimizing of part count with the situation that covers outlet valve with other parts with this cap 49 by extending cap 49 from baffler protector 35 one.Its result can realize the reduction of the cost of automatic two-wheeled cycle 10 (with reference to Fig. 6).

In addition,, cover outlet valve 12, can improve the appearance design and the commodity of automatic two-wheeled cycle 10 with this cap 49 by extending cap 49 from baffler protector 35 one.

In addition, by the assembly department 58 that cap 49 is installed is set, can prevent the vibration of cap 49 and the vibration of outlet valve 12 on outlet valve 12.

Fig. 8 is the perspective view of the exhaust control device of automatic two-wheeled cycle of the present invention, being constructed as follows of exhaust control device 11: the intake manifold (Manifolds) 33 that is provided with the outlet pipe (the 1 2nd pipe) 31,32 of many of set, with the exhaust control device of the automatic two-wheeled cycle of the outlet valve 12 of control exhaust gas flow on this intake manifold 33, and avoid configuration as the valve rod 62 (with reference to Fig. 9) of the axle of outlet valve 12 so that the center of the outlet pipe of its obstructed too much root (the 1 2nd pipe) 31,32.Here, C1, C2 represent the 1 2nd pipe center separately, and L1 represents to connect the straight line of center C 1, C2.

For example, when configuration is used to control the outlet valve of flow of exhaust gas on containing the exhaust passageway of outlet pipe, if owing to can dispose so that it does not hinder flowing of exhaust gas as far as possible, just can make that exhaust gas is smooth and easy to flow (smoothness), can realize the raising of exhaust efficiency, so be gratifying.

Fig. 9 is the allocation plan of the configuration relation of the outlet pipe of exhaust control device of expression automatic two-wheeled cycle of the present invention and outlet valve, exhaust control device 11, by on intake manifold 33, being provided for controlling the outlet valve 12 of exhaust gas flow, the valve rod (axle) 62 of avoiding configuration outlet valve 12, so that center C 1, the C2 of its obstructed too much root outlet pipe (the 1 2nd pipe) 31,32, can make that exhaust gas is smooth and easy to flow (smoothness), can realize the raising of exhaust efficiency.

Its result can realize the raising of exhaust gas control ability of the exhaust control device 11 of automatic two-wheeled cycle.In addition, 61 expressions are installed in the valve of the outlet valve 12 on the valve rod (axle) 62.

Exhaust control device 11 we can say that it is constructed as follows: when making many outlet pipe be 2, the straight line L1 at center with respect to connecting 2 outlet pipe (the 1 2nd pipe) 31,32 makes valve rod (axle) 62 maintenance inclination in the scope of E1～E2 (35～55 degree) of outlet valve 12.

Promptly, exhaust control device 11, because when the outlet pipe that makes many is 2, the straight line at the center of the outlet pipe that relative connection is 2 (the 1 2nd pipe) 31,32, make valve rod (axle) 62 of outlet valve 12 in the scope of E1～E2 (35～55 degree), keep tilting, can realize guaranteeing the road clearance of automatic two-wheeled cycle 10 (with reference to Fig. 1), and exhaust control device 11 is contained in the angle of heel easily.Its result can realize the expansion of degrees of freedom of the configuration of exhaust control device 11.

Below, the detail shape of outlet valve 12 is described by Figure 10～Figure 13.

Figure 10 is the front section view of outlet valve of the exhaust control device of automatic two-wheeled cycle of the present invention, outlet valve 12 is by the valve 61 (with reference to Fig. 9) of the changes in flow rate of the exhaust gas that makes outlet pipe 39 (intake manifold 33), the valve rod 62 of this valve 61 is installed, make the pulley 63 of these valve rod 62 rotations, the casing 66 that holds this pulley 63, cover this casing 66 usefulness, Shuo Ming the case lid with assembly department 58 67 (with reference to Fig. 8) in front, being screwed into fixing nut 69 on the external thread part 59 that forms on the torsion spring 68 of the application of force between casing 66 and the pulley 63 and the end 62a at valve rod 62 constitutes.

Among the figure, 62b is the other end of valve rod 62, the 74th, the tie rod of casing 66 is installed, the 75th, by seat board 75a valve 61 (with reference to Fig. 8) is fixed on bolt on the valve rod 62, the 77th, with an end of torsion spring 68 be fixed be limiting-members.

Figure 11 is the planimetric map of outlet valve of the exhaust control device of automatic two-wheeled cycle of the present invention, pulley 63 is the members that form the 2nd embedding part 82 that the cable-end portion 89 of the 1st embedding part 81 that the cable-end portion 79 on the top be installed in the inside cable 13a that starts cable 13 embeds and the top that is installed in the inside cable 14a that starts cable 14 embeds.

And, starting

cable

13,14, expression system starts the state that the cable seat is fixed on casing due to starting the cable seat with this.In addition, 13b, 14b represent to start the outer tube of

cable

13,14 respectively.

Figure 12 is the side view of outlet valve of the exhaust control device of automatic two-wheeled cycle of the present invention, outlet valve 12, be by the other end 62b of valve rod 62 being inserted the valve configuration portion 43 of intake manifold 33, on an end 62a of valve rod 62, casing 66 is set, pulley 63 (with reference to Figure 11) is set in this casing 66, on this pulley 63, connect and start

cable

13,14, start

cable

13,14 by drive these with servomotor 15 (with reference to Fig. 6), make valve rod 62 rotations, make the member of valve 61 (with reference to Fig. 8) switching that is installed on this valve rod 62.

Next, the work of the outlet valve 12 of exhaust control device 11 is described.

Figure 13 (a) and (b) are Action Specification figure of the exhaust control device of automatic two-wheeled cycle of the present invention.

(a) expression setting valve 61 is the outlet valve 12 of open state.

(b) expression drives servomotor 15 (with reference to Fig. 6), the lax cable 13 that starts shown in arrow a1, and traction starts cable 14 shown in arrow a2, and pulley 63 is rotated shown in arrow a3, makes 12 one-tenth closed states of outlet valve.

Figure 14 is the perspective view of seeing from rear portion top of the exhaust control device of automatic two-wheeled cycle of the present invention, and servomotor 15 is by motor body 181, be connected motor side pulley 182 on this motor body 181, cover the motor casing 183 of these gear trains and cover motor cover 184 formations at this electric case 183 by gear train (not shown).

And, the front end of 185 expression servomotors 15, the rearward end of 186 expression servomotors 15, the motor holder that servomotor 15 is installed in seat rail 115 usefulness on the left side is sat in 187 expressions.

Figure 15 is the perspective view of rear side of the exhaust control device of expression automatic two-wheeled cycle of the present invention, expression is about going up configuration motor 211 (with reference to Fig. 6) at vehicle body frame 110 (with reference to Fig. 4), on this motor 211, connect outlet pipe 39, the automatic two-wheeled cycle 10 (with reference to Fig. 6) of baffler 34 (with reference to Fig. 7) is installed on this outlet pipe 39, near the joint 44 of outlet pipe 39 and baffler 34, and, be provided for controlling the outlet valve 12 of the flow of exhaust gas in outlet pipe 39 sides.

For example, by different bafflers is installed on a kind of automatic two-wheeled cycle, automatic two-wheeled cycle to same system is got all the different types of machines ready, when adapting to user's hobby, can change the situation of baffler, improving the operability of changing, making the cost reduction aspect of exchange baffler, is gratifying.

Therefore,, be provided for controlling the outlet valve 12 of the flow of exhaust gas, can not have influence on outlet valve 12, and change baffler 34 by near the joint 44 of outlet pipe 39 and baffler 34 (with reference to Fig. 6) and outlet pipe 39 sides.

Its result can improve the operability that baffler is changed, and can reduce the cost of the baffler 34 of replacing.

Figure 16 is the planimetric map of the configuration relation of the rocking arm of exhaust control device of expression automatic two-wheeled cycle of the present invention and outlet valve, exhaust control device 11, can be described as, but when rocking arm 19 unsteadily being installed about easy on and off on vehicle body frame 110, configuration motor 211 on vehicle body frame 110, on this motor 211, connect outlet pipe 39, the automatic two-wheeled cycle 10 of baffler 34 is installed on this outlet pipe 39, in outlet pipe 39 sides, when being provided for controlling the outlet valve 12 of flow of exhaust gas, recess 18 at rocking arm 19 sides formation subtend car body center faces to this recess 18 member nearby outlet valve 12.

For example, supposing not enlarge the width of car, and the outlet valve of the exhaust control device of automatic two-wheeled cycle is disposed on the outlet pipe, from effectively utilizing the viewpoint of installing space, is gratifying.

That is,, outlet valve 12 is faced this recess 18, can make outlet valve 12 close, can not enlarge the width of car, and the outlet valve 12 of exhaust control device 11 (with reference to Fig. 6) is disposed on the outlet pipe 39 to the car body central side by recess 18 is set on rocking arm 19.

In addition, face recess 18 sides, can not make

startup cable

13,14 direction outside vehicle width outstanding, and it is drawn from outlet valve 12 by the

startup cable

13,14 that also makes starter gate valve 12.

Figure 17 is the Action Specification figure of setting angle of outlet valve of the exhaust control device of expression automatic two-wheeled cycle of the present invention, the formation of exhaust control device 11 can be described as on the automatic two-wheeled cycle 10 of the outlet valve that is provided for controlling the exhaust gas flow on the outlet pipe 39, when making car body be called maximum to the angle of the maximum earth tilt of vehicle-width direction to allow angle of heel θ 1, the C almost parallel ground, liftoff plane when allowing angle of heel θ 1 with the inclination car body is so far maximum disposes the valve rod (axle) 62 of outlet valve 12.

For example, when can fully guaranteeing road clearance, drawing of startup cable become easily, be the item that should consider when being arranged at outlet valve on the outlet pipe.

C almost parallel ground, liftoff plane when allowing angle of heel θ 1 with the inclination car body is so far maximum disposes the valve rod (axle) 62 of outlet valve 12, can suppress the outstanding of outlet valve 12, can allow the inboard configuration outlet valve 12 of angle of heel in maximum, and draw from outlet valve easily and start cable 13,14 (the inside 14 not shown).

In addition, in an embodiment, as shown in Figure 7, outlet pipe 39 is made of 2

pipe

31,32 and intake manifold 33, yet is not limited thereto, and also can only be made of 1 pipe, also can be in addition, when 2 pipes are connected the 1st intake manifold, other 2 pipes are connected on the 2nd the intake manifold, have the outlet pipe of mode of the connecting tube of the 1st, the 2nd the intake manifold that connects these.

That is, outlet pipe is arbitrarily from the number of the extended pipe of cylinder of motor, the connection of these pipes is arbitrarily in addition, so long as near the joint of outlet pipe and baffler, and in the outlet pipe side, the device of outlet valve that is provided for controlling the exhaust gas flow is just passable.

In addition, in an embodiment, as shown in Figure 1, vehicle describes with automatic two-wheeled cycle 10, yet is not limited to cart, and vehicle also can be four-wheel or tricycle.

The exhaust control device of automatic two-wheeled cycle of the present invention is fit to be applied to dispose the automatic two-wheeled cycle of multicylinder engine.

Claims

1. automatic two-wheeled cycle (10) with vehicle body frame (110); It is provided with the blast pipe (39) that is made of the 1st pipe (31), the 2nd pipe (32) and intake manifold (33); At described blast pipe (39) air bleeding valve (12) is installed; Wherein this air bleeding valve (12) is used for this intake manifold (33) control exhaust gas flow; The axle of described air bleeding valve (62) is arranged on the position at center away from described the 1st pipe (31) and the 2nd pipe (32); Swing arm (19) is installed on the described vehicle body frame (110); It is characterized in that

Be provided with recess (18), described outlet valve (12) is configured to towards described recess (18).

2. automatic two-wheeled cycle as claimed in claim 1 is characterized in that, the axle (62) of described outlet valve (12), and the straight line with respect to the center that connects described the 1st pipe (31) and the 2nd pipe (32) keeps tilting in the scope of 35～55 degree.

3. automatic two-wheeled cycle as claimed in claim 1 is characterized in that, described recess (18) extends towards described car body center.

4. as each described automatic two-wheeled cycle in the claim 1 to 3, it is characterized in that described swing arm (19) is installed on the described vehicle body frame (110), it can be swung on above-below direction.

5. as each described automatic two-wheeled cycle in the claim 1 to 3, it is characterized in that motor (211) is installed on the vehicle body frame (110), described outlet pipe (39) is connected on the described motor (211).

6. as each described automatic two-wheeled cycle in the claim 1 to 3, it is characterized in that baffler (34) is installed on the described outlet pipe (39).

7. automatic two-wheeled cycle as claimed in claim 5 is characterized in that, described outlet valve (12) is arranged near the joint (44) between described outlet pipe (39) and the baffler (34).

8. automatic two-wheeled cycle as claimed in claim 6 is characterized in that, described outlet valve (12) is arranged near the joint (44) between described outlet pipe (39) and the baffler (34).

9. as claim 7 or 8 described automatic two-wheeled cycles, it is characterized in that the described outlet valve (12) that is used to control the exhaust gas flow is arranged on described outlet pipe (39) one sides.

10. as each described automatic two-wheeled cycle in the claim 1 to 3, it is characterized in that be provided with the startup cable (13,14) that is used to start described outlet valve (12), described startup cable (13,14) is configured to towards described recess one side.